Abstract:
:The role of apparent depth features and the proximity of the test lines to the adjacent contours in the actuation of the Ponzo illusion was examined. Six versions of the Ponzo figure were employed: a standard Ponzo figure and five modified figures in which the test lines varied in orientation (horizontal or vertical) and in location (inside or outside the converging contours). Both manipulations resulted in a significant decrease in the magnitude of the illusion in comparison to the standard Ponzo figure. The results suggest that the Ponzo illusion is significantly affected by contextual factors.
journal_name
Perceptionjournal_title
Perceptionauthors
Schiffman HR,Thompson JGdoi
10.1068/p070047subject
Has Abstractpub_date
1978-01-01 00:00:00pages
47-50issue
1eissn
0301-0066issn
1468-4233journal_volume
7pub_type
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